Home / 65,201,237.80-97,801,856.70-19,757,127.40

Finding the Fourth Proportional to 65,201,237.80, 97,801,856.70 and 19,757,127.40

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Solution

The fourth proportional to 65,201,237.80, 97,801,856.70 and 19,757,127.40 is: 29,635,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,201,237.80 : 97,801,856.70 = 19,757,127.40 : x
  2. Step 2: Convert to fraction form
    65,201,237.80/97,801,856.70 = 19,757,127.40/x
  3. Step 3: Cross multiply
    65,201,237.80x = 97,801,856.70 × 19,757,127.40
  4. Step 4: Simplify right side
    65,201,237.80x = 1,932,283,742,778,443.50
  5. Step 5: Solve for x
    x = 1,932,283,742,778,443.50/65,201,237.80
  6. Step 6: Final answer
    x = 29,635,691.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.